The world’s infrastructure is crumbling, so we’re seeing a rise in bridges that need to be replaced. That’s good news for the companies that build those bridges and for those of us that enjoy a good demolition video. People have certainly gotten more creative with how these demolitions are filmed and this latest video your about to see gives you the ability to see the same demolition from 4 different angles and in different speeds.
The Merafield Bridge, near Plymouth, England was built in 1969 and has suffered from Alkalai-Silica Reaction, which is commonly referred to as “concrete cancer.” Alkalai-Silica Reaction creates spalling due to a gel being formed inside the concrete that expands with water. As the gel expands, pressure builds up in the structure and the concrete cracks. The demolition of the old bridge is part of a $9.1 million (£6.3 million) project that will also include a brand new 262 foot long (80m) bridge. The new bridge will require 2,503 tons of concrete and 401 tons of steel.
In order to bring down the old bridge, crews drilled 278 holes and packed in 110 pounds (50kg) of explosives, according to the Daily Mail. The end result was a middle of the night fireworks show followed by a giant cloud of smoke. You can watch the incredible footage, uploaded to Youtube by SWNS TV, below:
This year saw more videos with environmental considerations taken into account, especially over waterways. Instead of imploding entire bridges, the part that spanned over top of the waterway were manually removed. I've also grown an appreciation for in-depth footage of demolitions that occurred under some interesting conditions. Some of the videos below show some extreme creativity to overcome obstacles.
On Sunday, demolition contractors tried to bring down the upper portion of the Pontiac Silverdome, former home to the Detroit Lions, but several of the explosives didn’t ignite and the structure was still upright after the smoke cleared. After videos of the failed demolition were posted online, the internet had a field day.
The Pontiac Silverdome was the home to the NFL’s Detroit Lions from 1975-2001 and NBA’s Detroit Pistons from 1978-1988. After the Lions opened their new Stadium in 2002, the Silverdome was passed around several times before it closed for the last time in 2013. Earlier this year, the building was condemned and the first round of demolition by implosion was scheduled for Sunday, December 3.
Getting the perfect view of a major building demolition can get you millions of hits, or even better, shared by us right here on Construction Junkie. Have your video get epic-ly photobombed and you’ll get even more views and definitely shared by us.
I don’t think there is anyone in the construction industry that has a better marketing department than Priestly Demolition, a demolition specialty contractor based in Ontario, Canada. Their Youtube channel is filled with high quality demolition videos in the form of timelapse videos and even a 24 minute long, highly detailed video of a bridge demolition so impressive it won awards for best in the world. Implosion videos are a great source of entertainment in their own right, but the videos that Priestly put out are not only entertaining, but also great for education purposes.
For almost 80 years, the Old Kosciuszko Bridge connected Brooklyn and Queens in New York. Much like many other bridges its age, it is being replaced due to capacity issues and deterioration. When it was completed in 1939, it was built for 10,000 cars per day. Unfortunately for the people who needed to use that bridge that past few decades, around 180,000 cars used it.
New demolition videos are always fun to watch. You know what’s even better, though? A bunch of demolitions all at once.
While being prepared for demolition, the Grand Avenue Bridge in Glenwood Springs, Colorado unexpectedly collapsed to the railroad tracks below. Thankfully, no injuries were reported, but the local police chief said that workers had to flee the scene once the bridge section started to fall.
Smoke stack demolitions are always fun to watch because they typically stand much taller than the buildings surrounding them, giving cameras great views of the carnage. They don’t always go well, like when a 2.6 million pound brick stack fell directly on top of an excavator (the operator was fine, by the way), but they’re always dramatic.
Buildings are demolished all the time in order to make way for new construction. The buildings that are demolished have usually lived out their useful life and are no longer functional. Recently a demolition video resurfaced, which shows a 27 story building in China being imploded. The strange thing is that, since it was finished in 1999, the building had never even been used.